patch命令使用

借鉴：http://www.cnblogs.com/itech/archive/2009/08/19/1549729.html

patch总结：

单个文件
diff –uN from-file to-file >to-file.patch
patch –p0 < to-file.patch
patch –RE –p0 < to-file.patch

多个文件
diff –uNr from-docu to-docu >to-docu.patch
patch –p1 < to-docu.patch
patch –R –p1 <to-docu.patch